虎生犹可近，人熟不堪亲。
与没见过的老虎还可以亲近，但与很熟悉的人不能够太亲。
世俗的儒者不考察，认为工商是末业，妄加议论抑制。
You have begot me, bred me, loved me: I Return those duties back as are right fit, Obey you, love you, and most honour you.
On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.
